IB Chemistry HL - 2025 - Key Concepts
In the IB Chemistry HL (Higher Level) 2025 Key Concepts section, you will find summary videos that will help you review the most important concepts and skills necessary for success. They are ideal for a quick refresher before tackling questions in the Revision Village Questionbank or Practice Exams sections of the website.
The Nuclear Atom
13 minutes
Electron Configuration
11 minutes
The Mole
13 minutes
Mole Applications
16 minutes
Structure 1
Models of the Particulate Nature of Matter
The Nuclear Atom
13 minutes
Electron Configuration
11 minutes
The Mole
13 minutes
Mole Applications
16 minutes
Ionic Bonding
14 minutes
Covalent Bonding
15 minutes
VSEPR & Molecular Polarity
13 minutes
Intermolecular Forces
11 minutes
Metallic Bonding
5 minutes
Structure 2
Models of Bonding & Structure
Ionic Bonding
14 minutes
Covalent Bonding
15 minutes
VSEPR & Molecular Polarity
13 minutes
Intermolecular Forces
11 minutes
Metallic Bonding
5 minutes
Properties of Elements
18 minutes
The Periodic Table - Classification of Elements
15 minutes
Classification of Organic Compounds - Functional Groups
16 minutes
Classification of Organic Compounds - Nomenclature
15 minutes
Classification of Organic Compounds - Homologous Series and Isomers
7 minutes
Structure 3
Classification of Matter
Properties of Elements
18 minutes
The Periodic Table - Classification of Elements
15 minutes
Classification of Organic Compounds - Functional Groups
16 minutes
Classification of Organic Compounds - Nomenclature
15 minutes
Classification of Organic Compounds - Homologous Series and Isomers
7 minutes
Enthalpy Changes
12 minutes
Reactivity 1
What Drives Chemical Reactions?
Enthalpy Changes
12 minutes
The Amount of Chemical Change
17 minutes
Rate of Reaction
6 minutes
Collision Theory & Catalysts
8 minutes
Equilibrium
11 minutes
Le Chatelier's Principle
10 minutes
Reactivity 2
How Much, How Fast & How Far?
The Amount of Chemical Change
17 minutes
Rate of Reaction
6 minutes
Collision Theory & Catalysts
8 minutes
Equilibrium
11 minutes
Le Chatelier's Principle
10 minutes
Theories of Acids & Bases
11 minutes
Properties and Strengths of Acids & Bases
14 minutes
pH & pOH Calculations
8 minutes
Electron Transfer Reactions
19 minutes
Electrochemical Cells
14 minutes
Reactivity 3
Mechanisms of Chemical Change
Theories of Acids & Bases
11 minutes
Properties and Strengths of Acids & Bases
14 minutes
pH & pOH Calculations
8 minutes
Electron Transfer Reactions
19 minutes
Electrochemical Cells
14 minutes
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